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Finding the Third Proportional to 4,040,392 and 8,721,737

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Solution

The third proportional to 4,040,392 and 8,721,737 is: 18,827,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,392 : 8,721,737 = 8,721,737 : x
  2. Step 2: Convert to fraction form
    4,040,392/8,721,737 = 8,721,737/x
  3. Step 3: Cross multiply
    4,040,392x = 8,721,737 × 8,721,737
  4. Step 4: Simplify right side
    4,040,392x = 76,068,696,297,169
  5. Step 5: Solve for x
    x = 76,068,696,297,169/4,040,392
  6. Step 6: Final answer
    x = 18,827,058.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.